►Nahant: There was a yellow-bellied sapsucker, 16 hermit thrushes, a brown thrasher, a Louisiana waterthrush, and a white-crowned sparrow.

►Concord: At Great Meadows National Wildlife Refuge, recent sightings included 28 wood ducks, two pied-billed grebes, a great egret, two black vultures, a bald eagle, five broad-winged hawks, two Virginia rails, three American coot, and 11 palm warblers.

►Lancaster: Reported from the Bolton Flats were small numbers of both greater and lesser yellowlegs, a pectoral sandpiper, and 19 Wilson’s snipes. At the nearby Pine Hill Grasslands, two vesper sparrows were observed.

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►Duxbury: A shorebird count at Duxbury Beach included five black-bellied and 10 piping plovers, two American oystercatchers, 100 sanderlings, and 700 Dunlin.

►Miscellaneous: Reports this week included 1,500 red-throated loons at Nantucket; a sooty shearwater off Gooseberry Neck in Westport; a tricolored heron at Allen’s Pond in South Dartmouth; a winter wren and a Louisiana waterthrush at Crooked Pond in Boxford; a Louisiana waterthrush at the Chestnut Hill Reservoir
; a yellow-throated warbler in Newton; and a lark sparrow at Danehy Park in Cambridge.